1.There are not so many books in our library as in your library.not so...as 中间不是放形容词吗?为什么是名词?2.When was the last time you took a picture?为什么前面有个动词后面也有个动词3.I don't want his ing.want后面不是加动词不定式吗?此句也不是
网友回答
1 many 不就是形容词
2 这是从句.省略了that
写完整是When was the last time that you took a picture?
3 want后面可以直接加sth 这里用动名词